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authorAdrian Alonso <aalonso@freescale.com>2015-09-02 13:54:15 -0500
committerStefano Babic <sbabic@denx.de>2015-09-13 10:11:53 +0200
commit50a082a88c54975eaa6b6ae39b50936802783387 (patch)
tree8963b92b50131446e62332121c0ef0ee3da0f3ae /arch/arm
parentab09e728667563fda9c8a8569331618fcfa0cb16 (diff)
downloadtalos-obmc-uboot-50a082a88c54975eaa6b6ae39b50936802783387.tar.gz
talos-obmc-uboot-50a082a88c54975eaa6b6ae39b50936802783387.zip
arm: imx: imx-common: init: move arch init common setup
Move common imx6 arch init setup, init.c can be extended and reused to support imx7 SoC keeping init arch common code. Signed-off-by: Adrian Alonso <aalonso@freescale.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c87
-rw-r--r--arch/arm/imx-common/Makefile2
-rw-r--r--arch/arm/imx-common/init.c100
-rw-r--r--arch/arm/include/asm/arch-mx6/imx-regs.h4
-rw-r--r--arch/arm/include/asm/imx-common/sys_proto.h3
5 files changed, 108 insertions, 88 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 2f7d5c88bb..06f63daedc 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -183,65 +183,6 @@ u32 __weak get_board_rev(void)
}
#endif
-void init_aips(void)
-{
- struct aipstz_regs *aips1, *aips2;
-#ifdef CONFIG_MX6SX
- struct aipstz_regs *aips3;
-#endif
-
- aips1 = (struct aipstz_regs *)AIPS1_BASE_ADDR;
- aips2 = (struct aipstz_regs *)AIPS2_BASE_ADDR;
-#ifdef CONFIG_MX6SX
- aips3 = (struct aipstz_regs *)AIPS3_CONFIG_BASE_ADDR;
-#endif
-
- /*
- * Set all MPROTx to be non-bufferable, trusted for R/W,
- * not forced to user-mode.
- */
- writel(0x77777777, &aips1->mprot0);
- writel(0x77777777, &aips1->mprot1);
- writel(0x77777777, &aips2->mprot0);
- writel(0x77777777, &aips2->mprot1);
-
- /*
- * Set all OPACRx to be non-bufferable, not require
- * supervisor privilege level for access,allow for
- * write access and untrusted master access.
- */
- writel(0x00000000, &aips1->opacr0);
- writel(0x00000000, &aips1->opacr1);
- writel(0x00000000, &aips1->opacr2);
- writel(0x00000000, &aips1->opacr3);
- writel(0x00000000, &aips1->opacr4);
- writel(0x00000000, &aips2->opacr0);
- writel(0x00000000, &aips2->opacr1);
- writel(0x00000000, &aips2->opacr2);
- writel(0x00000000, &aips2->opacr3);
- writel(0x00000000, &aips2->opacr4);
-
-#ifdef CONFIG_MX6SX
- /*
- * Set all MPROTx to be non-bufferable, trusted for R/W,
- * not forced to user-mode.
- */
- writel(0x77777777, &aips3->mprot0);
- writel(0x77777777, &aips3->mprot1);
-
- /*
- * Set all OPACRx to be non-bufferable, not require
- * supervisor privilege level for access,allow for
- * write access and untrusted master access.
- */
- writel(0x00000000, &aips3->opacr0);
- writel(0x00000000, &aips3->opacr1);
- writel(0x00000000, &aips3->opacr2);
- writel(0x00000000, &aips3->opacr3);
- writel(0x00000000, &aips3->opacr4);
-#endif
-}
-
static void clear_ldo_ramp(void)
{
struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
@@ -375,22 +316,6 @@ static void set_preclk_from_osc(void)
}
#endif
-#define SRC_SCR_WARM_RESET_ENABLE 0
-
-static void init_src(void)
-{
- struct src *src_regs = (struct src *)SRC_BASE_ADDR;
- u32 val;
-
- /*
- * force warm reset sources to generate cold reset
- * for a more reliable restart
- */
- val = readl(&src_regs->scr);
- val &= ~(1 << SRC_SCR_WARM_RESET_ENABLE);
- writel(val, &src_regs->scr);
-}
-
int arch_cpu_init(void)
{
init_aips();
@@ -458,18 +383,6 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
}
#endif
-void boot_mode_apply(unsigned cfg_val)
-{
- unsigned reg;
- struct src *psrc = (struct src *)SRC_BASE_ADDR;
- writel(cfg_val, &psrc->gpr9);
- reg = readl(&psrc->gpr10);
- if (cfg_val)
- reg |= 1 << 28;
- else
- reg &= ~(1 << 28);
- writel(reg, &psrc->gpr10);
-}
/*
* cfg_val will be used for
* Boot_cfg4[7:0]:Boot_cfg3[7:0]:Boot_cfg2[7:0]:Boot_cfg1[7:0]
diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
index 3b034e16cd..d77a2363dd 100644
--- a/arch/arm/imx-common/Makefile
+++ b/arch/arm/imx-common/Makefile
@@ -19,7 +19,7 @@ obj-y += misc.o
obj-$(CONFIG_SPL_BUILD) += spl.o
endif
ifeq ($(SOC),$(filter $(SOC),mx6))
-obj-y += cache.o
+obj-y += cache.o init.o
obj-$(CONFIG_CMD_SATA) += sata.o
obj-$(CONFIG_IMX_VIDEO_SKIP) += video.o
endif
diff --git a/arch/arm/imx-common/init.c b/arch/arm/imx-common/init.c
new file mode 100644
index 0000000000..f7ed038d8e
--- /dev/null
+++ b/arch/arm/imx-common/init.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/imx-common/boot_mode.h>
+#include <asm/arch/crm_regs.h>
+
+void init_aips(void)
+{
+ struct aipstz_regs *aips1, *aips2;
+#ifdef CONFIG_MX6SX
+ struct aipstz_regs *aips3;
+#endif
+
+ aips1 = (struct aipstz_regs *)AIPS1_BASE_ADDR;
+ aips2 = (struct aipstz_regs *)AIPS2_BASE_ADDR;
+#ifdef CONFIG_MX6SX
+ aips3 = (struct aipstz_regs *)AIPS3_BASE_ADDR;
+#endif
+
+ /*
+ * Set all MPROTx to be non-bufferable, trusted for R/W,
+ * not forced to user-mode.
+ */
+ writel(0x77777777, &aips1->mprot0);
+ writel(0x77777777, &aips1->mprot1);
+ writel(0x77777777, &aips2->mprot0);
+ writel(0x77777777, &aips2->mprot1);
+
+ /*
+ * Set all OPACRx to be non-bufferable, not require
+ * supervisor privilege level for access,allow for
+ * write access and untrusted master access.
+ */
+ writel(0x00000000, &aips1->opacr0);
+ writel(0x00000000, &aips1->opacr1);
+ writel(0x00000000, &aips1->opacr2);
+ writel(0x00000000, &aips1->opacr3);
+ writel(0x00000000, &aips1->opacr4);
+ writel(0x00000000, &aips2->opacr0);
+ writel(0x00000000, &aips2->opacr1);
+ writel(0x00000000, &aips2->opacr2);
+ writel(0x00000000, &aips2->opacr3);
+ writel(0x00000000, &aips2->opacr4);
+
+#ifdef CONFIG_MX6SX
+ /*
+ * Set all MPROTx to be non-bufferable, trusted for R/W,
+ * not forced to user-mode.
+ */
+ writel(0x77777777, &aips3->mprot0);
+ writel(0x77777777, &aips3->mprot1);
+
+ /*
+ * Set all OPACRx to be non-bufferable, not require
+ * supervisor privilege level for access,allow for
+ * write access and untrusted master access.
+ */
+ writel(0x00000000, &aips3->opacr0);
+ writel(0x00000000, &aips3->opacr1);
+ writel(0x00000000, &aips3->opacr2);
+ writel(0x00000000, &aips3->opacr3);
+ writel(0x00000000, &aips3->opacr4);
+#endif
+}
+
+#define SRC_SCR_WARM_RESET_ENABLE 0
+
+void init_src(void)
+{
+ struct src *src_regs = (struct src *)SRC_BASE_ADDR;
+ u32 val;
+
+ /*
+ * force warm reset sources to generate cold reset
+ * for a more reliable restart
+ */
+ val = readl(&src_regs->scr);
+ val &= ~(1 << SRC_SCR_WARM_RESET_ENABLE);
+ writel(val, &src_regs->scr);
+}
+
+void boot_mode_apply(unsigned cfg_val)
+{
+ unsigned reg;
+ struct src *psrc = (struct src *)SRC_BASE_ADDR;
+ writel(cfg_val, &psrc->gpr9);
+ reg = readl(&psrc->gpr10);
+ if (cfg_val)
+ reg |= 1 << 28;
+ else
+ reg &= ~(1 << 28);
+ writel(reg, &psrc->gpr10);
+}
diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h
index a685ed2c3b..74512ac08e 100644
--- a/arch/arm/include/asm/arch-mx6/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx6/imx-regs.h
@@ -137,8 +137,10 @@
/* Defines for Blocks connected via AIPS (SkyBlue) */
#define ATZ1_BASE_ADDR AIPS1_ARB_BASE_ADDR
#define ATZ2_BASE_ADDR AIPS2_ARB_BASE_ADDR
+#define ATZ3_BASE_ADDR AIPS3_ARB_BASE_ADDR
#define AIPS1_BASE_ADDR AIPS1_ON_BASE_ADDR
#define AIPS2_BASE_ADDR AIPS2_ON_BASE_ADDR
+#define AIPS3_BASE_ADDR AIPS3_ON_BASE_ADDR
#define SPDIF_BASE_ADDR (ATZ1_BASE_ADDR + 0x04000)
#define ECSPI1_BASE_ADDR (ATZ1_BASE_ADDR + 0x08000)
@@ -219,6 +221,8 @@
#define AIPS2_ON_BASE_ADDR (ATZ2_BASE_ADDR + 0x7C000)
#define AIPS2_OFF_BASE_ADDR (ATZ2_BASE_ADDR + 0x80000)
+#define AIPS3_ON_BASE_ADDR (ATZ3_BASE_ADDR + 0x7C000)
+#define AIPS3_OFF_BASE_ADDR (ATZ3_BASE_ADDR + 0x80000)
#define CAAM_BASE_ADDR (ATZ2_BASE_ADDR)
#define ARM_BASE_ADDR (ATZ2_BASE_ADDR + 0x40000)
diff --git a/arch/arm/include/asm/imx-common/sys_proto.h b/arch/arm/include/asm/imx-common/sys_proto.h
index 250f3f4db6..c0a5b2cdb9 100644
--- a/arch/arm/include/asm/imx-common/sys_proto.h
+++ b/arch/arm/include/asm/imx-common/sys_proto.h
@@ -35,6 +35,9 @@ u32 imx_ddr_size(void);
void sdelay(unsigned long);
void set_chipselect_size(int const);
+void init_aips(void);
+void init_src(void);
+
/*
* Initializes on-chip ethernet controllers.
* to override, implement board_eth_init()
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